Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Relaxation fine-grain high-energy-storage ceramic material, relaxation fine-grain high-energy-storage ceramic powder and preparation method thereof
The invention relates to the technical field of electronic ceramic capacitor materials, and particularly discloses a relaxation fine-grain high-energy-storage ceramic material, powder and a preparation method of the relaxation fine-grain high-energy-storage ceramic material. The chemical formula of the ceramic material meets the general formula of Ba1-xSrxZryTi1-yO3 + (aMgO-bAl2O3) + c (ZnO-B2O3-SiO2), in the formula, x is greater than or equal to 0.2 and less than or equal to 0.8, y is greater than or equal to 0.1 and less than or equal to 0.5, a is equal to 0.001-6.0 mol%, b is equal to 0.001-5.0 mol%, and c is equal to 0.001-10.0 wt%. The ceramic material prepared by the invention is of a three-layer structure, namely Ba < 1-x > Sr < x > Zry < y > Ti < 1-y > O < 3 > (at) a MgO <-b > Al < 2 > O < 3 > (at) c (ZnO-B2O3-SiO2), the innermost layer is Ba < 1-x > Sr < x > Zry < y > Ti < 1-y > O < 3 >, the middle layer is aMgO <-b > Al < 2 > O < 3 >, and the outermost layer is ZnO-B2O3-SiO2. The prepared ceramic material Ba < 1-x > Sr < x > ZryTi < 1-y > O3 powder is good in dispersity, the particle size of Ba < 1-x > Sr < x > ZryTi < 1-y > O3 is controlled to be 50-500 nm, the thickness of MgO-Al2O3 is controlled to be 5-15 nm, the thickness of ZnO-B2O3-SiO2 is controlled to be 10-30 nm, the compression strength reaches 28.08 kV/mm, the discharge energy storage density reaches 0.91 J/cm < 3 >, the energy storage efficiency reaches 72.8%, and the ceramic material is suitable for producing a multi-layer energy storage ceramic capacitor with large capacity and a thin dielectric layer.
本发明涉及电子陶瓷电容器材料技术领域，具体公开了一种弛豫细晶高储能陶瓷材料、粉体及其制备方法；其陶瓷材料的化学式满足通式Ba1‑xSrxZryTi1‑yO3+(aMgO‑bAl2O3)+c(ZnO‑B2O3‑SiO2)，其中，0.2≤x≤0.8，0.1≤y≤0.5，a＝0.001～6.0mol％，b＝0.001～5.0mol％，c＝0.001～10.0wt％；本发明所制得的陶瓷材料为包含三层结构的Ba1‑xSrxZryTi1‑yO3@aMgO‑bAl2O3@c(ZnO‑B2O3‑SiO2)，依次最内层为Ba1‑xSrxZryTi1‑yO3，中间层为aMgO‑bAl2O3，最外层为ZnO‑B2O3‑SiO2。本发明制得的陶瓷材料Ba1‑xSrxZryTi1‑yO3粉体分散性良好，Ba1‑xSrxZryTi1‑yO3的粒径控制在50～500nm，MgO‑Al2O3的厚度控制在5～15nm，ZnO‑B2O3‑SiO2的厚度控制在10～30nm，且耐压强度达到28.08kV/mm，放电储能密度达到0.91J/cm3，储能效率达到72.8％，适用于生产大容量、薄介电层的多层储能陶瓷电容器。
Relaxation fine-grain high-energy-storage ceramic material, relaxation fine-grain high-energy-storage ceramic powder and preparation method thereof
The invention relates to the technical field of electronic ceramic capacitor materials, and particularly discloses a relaxation fine-grain high-energy-storage ceramic material, powder and a preparation method of the relaxation fine-grain high-energy-storage ceramic material. The chemical formula of the ceramic material meets the general formula of Ba1-xSrxZryTi1-yO3 + (aMgO-bAl2O3) + c (ZnO-B2O3-SiO2), in the formula, x is greater than or equal to 0.2 and less than or equal to 0.8, y is greater than or equal to 0.1 and less than or equal to 0.5, a is equal to 0.001-6.0 mol%, b is equal to 0.001-5.0 mol%, and c is equal to 0.001-10.0 wt%. The ceramic material prepared by the invention is of a three-layer structure, namely Ba < 1-x > Sr < x > Zry < y > Ti < 1-y > O < 3 > (at) a MgO <-b > Al < 2 > O < 3 > (at) c (ZnO-B2O3-SiO2), the innermost layer is Ba < 1-x > Sr < x > Zry < y > Ti < 1-y > O < 3 >, the middle layer is aMgO <-b > Al < 2 > O < 3 >, and the outermost layer is ZnO-B2O3-SiO2. The prepared ceramic material Ba < 1-x > Sr < x > ZryTi < 1-y > O3 powder is good in dispersity, the particle size of Ba < 1-x > Sr < x > ZryTi < 1-y > O3 is controlled to be 50-500 nm, the thickness of MgO-Al2O3 is controlled to be 5-15 nm, the thickness of ZnO-B2O3-SiO2 is controlled to be 10-30 nm, the compression strength reaches 28.08 kV/mm, the discharge energy storage density reaches 0.91 J/cm < 3 >, the energy storage efficiency reaches 72.8%, and the ceramic material is suitable for producing a multi-layer energy storage ceramic capacitor with large capacity and a thin dielectric layer.
本发明涉及电子陶瓷电容器材料技术领域，具体公开了一种弛豫细晶高储能陶瓷材料、粉体及其制备方法；其陶瓷材料的化学式满足通式Ba1‑xSrxZryTi1‑yO3+(aMgO‑bAl2O3)+c(ZnO‑B2O3‑SiO2)，其中，0.2≤x≤0.8，0.1≤y≤0.5，a＝0.001～6.0mol％，b＝0.001～5.0mol％，c＝0.001～10.0wt％；本发明所制得的陶瓷材料为包含三层结构的Ba1‑xSrxZryTi1‑yO3@aMgO‑bAl2O3@c(ZnO‑B2O3‑SiO2)，依次最内层为Ba1‑xSrxZryTi1‑yO3，中间层为aMgO‑bAl2O3，最外层为ZnO‑B2O3‑SiO2。本发明制得的陶瓷材料Ba1‑xSrxZryTi1‑yO3粉体分散性良好，Ba1‑xSrxZryTi1‑yO3的粒径控制在50～500nm，MgO‑Al2O3的厚度控制在5～15nm，ZnO‑B2O3‑SiO2的厚度控制在10～30nm，且耐压强度达到28.08kV/mm，放电储能密度达到0.91J/cm3，储能效率达到72.8％，适用于生产大容量、薄介电层的多层储能陶瓷电容器。
Relaxation fine-grain high-energy-storage ceramic material, relaxation fine-grain high-energy-storage ceramic powder and preparation method thereof
一种弛豫细晶高储能陶瓷材料、粉体及其制备方法
MA RONG (Autor:in) / CUI BIN (Autor:in) / HU DENGWEI (Autor:in) / WANG YAN (Autor:in) / ZHAO WEIWEI (Autor:in) / LI HUIQIN (Autor:in)
22.03.2022
Patent
Elektronische Ressource
Chinesisch
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